Compared to the Arduino Uno of old, modern microcontrollers are absolutely tiny — especially for the amount of processing power and I/O you get. But if you need something really small, like ...

For electricity to flow, everything needs to be connected in a big ring. It’s called a circuit. For example, the lights in most houses and flats are part of a circuit controlled by the consumer unit, ...

In this episode of The Circuit, Emily Chang visits the defense entrepreneur who argues companies like his are critical to America’s future. In this episode of The Circuit with Emily Chang, the ...

The SMART Response XE is a handheld computer that was originally sold for use in the classroom as a terminal for pupils taking tests. It’s now cheap enough on the surplus market to have become a ...

Loss of orexin neurons in narcolepsy leads to sleepiness and cataplexy episodes, which are most common in social contexts. In a mouse model, an oxytocin-sensitive circuit in the central amygdala is ...